Hyphessobrycon, Durbin in Eigenmann, 1908

Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 28

Hyphessobrycon

1. Dorsal fin with black blotch and distal edge of the rays hyaline; black humeral blotch large and conspicuous ....... ................................................................................. H. eques

1’. Dorsal fin hyaline; black humeral spot small and less conspicuous....................................................... H. moniliger